Nailor ​1910/1920 Series Industrial Control Dampers are designed for use in medium to high pressure systems with velocities up to 3500 fpm (18 m/s) and pressure differentials up to 20" w.g. (5 kPa). Nailor 1970/1980 Series Industrial Control Dampers are designed for use in high pressure systems with pressure differentials of up to 34" w.g. (8.5 kPa) and velocities up to 6000 fpm (30 m/s).

Nailor’s industrial backdraft dampers are designed to prevent the backflow of air while allowing for automatic air intake or exhaust in industrial HVAC or process air systems.

Nailor Round Industrial Control and Isolation Dampers are designed to provide tight shutoff with very low leakage in HVAC or industrial process control systems. A variety of optional features allow them to be tailored to the application.